Your IP : 18.224.20.254
<?php
class Brizy_MaintenanceMode {
private static $instance;
private $send_headers = false;
public static function init() {
if ( self::$instance ) {
return self::$instance;
}
self::$instance = new self();
return self::$instance;
}
/**
* Brizy_Maintenance_Mode constructor.
*/
private function __construct() {
$args = self::get_settings();
if ( empty( $args['mode'] ) || empty( $args['page'] ) || $this->is_requested_a_file() ) {
return;
}
if ( 'maintenance' === $args['mode'] ) {
add_action( 'template_redirect', [ $this, '_action_template_redirect' ], 11 );
}
if ( is_user_logged_in() ) {
add_action( 'admin_bar_menu', [ $this, 'action_add_menu_in_admin_bar' ], 301 );
add_action( 'admin_head', [ $this, 'print_style' ] );
add_action( 'wp_head', [ $this, 'print_style' ] );
}
$this->set_query( $args );
}
private function set_query( $args ) {
if ( current_user_can( 'manage_options' ) || $this->is_login() ) {
return;
}
if ( 'logged' === $args['who'] && is_user_logged_in() ) {
return;
}
if ( false !== strpos( $args['ips'], $this->get_user_ip() ) ) {
return;
}
if ( 'custom' === $args['who'] ) {
$user = wp_get_current_user();
$user_roles = $user->roles;
$compare_roles = array_intersect( $user_roles, $args['roles'] );
if ( ! empty( $compare_roles ) ) {
return;
}
}
if ( is_user_logged_in() && ( is_admin() || ! empty( $_GET ) ) ) {
wp_redirect( home_url() );
exit;
}
$this->send_headers = true;
$GLOBALS['post'] = get_post( $args['page'] );
query_posts( [
'p' => $args['page'],
'post_type' => 'page',
] );
}
public function _action_template_redirect() {
if ( ! $this->send_headers ) {
return;
}
$protocol = wp_get_server_protocol();
header( "$protocol 503 Service Unavailable", true, 503 );
header( 'Content-Type: text/html; charset=utf-8' );
header( 'Retry-After: 600' );
}
/**
* Add menu in admin bar.
*
* Adds "Maintenance Mode" items to the WordPress admin bar.
*
* Fired by `admin_bar_menu` filter.
*
* @access public
*
* @param \WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance, passed by reference.
*/
public function action_add_menu_in_admin_bar( \WP_Admin_Bar $wp_admin_bar ) {
$args = self::get_settings();
$wp_admin_bar->add_node( [
'id' => 'brizy-maintenance-on',
'title' => __( 'Maintenance Mode ON', 'brizy' ),
'href' => esc_url( add_query_arg( [ 'page' => Brizy_Admin_Settings::menu_slug(), 'tab' => 'maintenance' ], admin_url() ) ),
] );
$wp_admin_bar->add_node( [
'id' => 'brizy-maintenance-edit',
'parent' => 'brizy-maintenance-on',
'title' => __( 'Edit Page', 'brizy' ),
'href' => add_query_arg(
[ Brizy_Editor::prefix('-edit') => '' ],
get_permalink( $args['page'] )
),
] );
}
/**
* Print css style.
*
* Adds custom CSS to the HEAD html tag. The CSS that emphasise the maintenance
* mode with red colors.
*
* Fired by `admin_head` and `wp_head` filters.
*
* @access public
*/
public function print_style() {
?>
<style>#wp-admin-bar-brizy-maintenance-on > a { background-color: #dc3232; }
#wp-admin-bar-brizy-maintenance-on > .ab-item:before { content: "\f160"; top: 2px; }
</style>
<?php
}
private function get_user_ip() {
if ( ! empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
if ( strpos( $_SERVER['HTTP_X_FORWARDED_FOR'], ',' ) > 0 ) {
$addr = explode( ",", $_SERVER['HTTP_X_FORWARDED_FOR'] );
return trim( $addr[0] );
}
return $_SERVER['HTTP_X_FORWARDED_FOR'];
} elseif ( ! empty( $_SERVER['REMOTE_ADDR'] ) ) {
return $_SERVER['REMOTE_ADDR'];
} elseif ( ! empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
return $_SERVER['HTTP_CLIENT_IP'];
} else {
return 'unknown.ip';
}
}
private function is_login() {
$files = get_included_files();
return
in_array( ABSPATH . 'wp-login.php', $files ) ||
in_array( ABSPATH . 'wp-register.php', $files ) ||
$_SERVER['PHP_SELF'] == '/wp-login.php' ||
( isset( $_GLOBALS['pagenow'] ) && $GLOBALS['pagenow'] === 'wp-login.php' );
}
public static function get_settings() {
return wp_parse_args( Brizy_Editor_Storage_Common::instance()->get( 'maintenance', false ), [
'mode' => '',
'who' => 'logged',
'roles' => [],
'ips' => '',
'page' => ''
] );
}
private function is_requested_a_file() {
$out = false;
if (
! empty( $_GET[ Brizy_Editor::prefix( Brizy_Public_CropProxy::ENDPOINT ) ] )
&&
! empty( $_GET[ Brizy_Editor::prefix( Brizy_Public_CropProxy::ENDPOINT_FILTER ) ] )
&&
! empty( $_GET[ Brizy_Editor::prefix( Brizy_Public_CropProxy::ENDPOINT_POST ) ] )
) {
$out = true;
}
if ( ! empty( $_GET[ Brizy_Admin_Fonts_Main::CP_FONT ] ) ) {
$out = true;
}
if ( ! empty( $_GET[ Brizy_Editor::prefix( Brizy_Public_AttachmentProxy::ENDPOINT ) ] ) ) {
$out = true;
}
return $out;
}
}